'use strict';

const autoprefixer = require('autoprefixer');
const path = require('path');
const webpack = require('webpack');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const ManifestPlugin = require('webpack-manifest-plugin');
const InterpolateHtmlPlugin = require('react-dev-utils/InterpolateHtmlPlugin');
const SWPrecacheWebpackPlugin = require('sw-precache-webpack-plugin');
const eslintFormatter = require('react-dev-utils/eslintFormatter');
const ModuleScopePlugin = require('react-dev-utils/ModuleScopePlugin');
const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
const paths = require('./paths');
const getClientEnvironment = require('./env');
const hljs = require('highlight.js');
const ForkTsCheckerWebpackPlugin = require('fork-ts-checker-webpack-plugin');
const TsconfigPathsPlugin = require('tsconfig-paths-webpack-plugin');

const argv = require('yargs').argv;
const versionsCom = require('../versionsCom');
const versions = require('../versions');

// Webpack uses `publicPath` to determine where the app is being served from.
// It requires a trailing slash, or the file assets will get an incorrect path.
const publicPath = paths.servedPath;
// Some apps do not use client-side routing with pushState.
// For these, "homepage" can be set to "." to enable relative asset paths.
const shouldUseRelativeAssetPaths = publicPath === './';
// Source maps are resource heavy and can cause out of memory issue for large source files.
const shouldUseSourceMap = process.env.GENERATE_SOURCEMAP !== 'false';
// `publicUrl` is just like `publicPath`, but we will provide it to our app
// as %PUBLIC_URL% in `index.html` and `process.env.PUBLIC_URL` in JavaScript.
// Omit trailing slash as %PUBLIC_URL%/xyz looks better than %PUBLIC_URL%xyz.
const publicUrl = publicPath.slice(0, -1);
// Get environment variables to inject into our app.
const env = getClientEnvironment(publicUrl);

// Assert this just to be safe.
// Development builds of React are slow and not intended for production.
if (env.stringified['process.env'].NODE_ENV !== '"production"') {
  throw new Error('Production builds must have NODE_ENV=production.');
}

// Note: defined here because it will be used more than once.
let cssFilename = 'static/css/[name].[contenthash:8].css';
if(paths.cssName) {
  cssFilename = paths.cssName;
}

let filename = 'static/js/[name].[chunkhash:8].js';
if(paths.jsName) {
  filename = paths.jsName;
}
// single
if(paths.jsSingleName) {
  filename = '[name]';
}

let chunkFilename = 'static/js/[name].[chunkhash:8].chunk.js';
chunkFilename = 'js/[name].[chunkhash:8].chunk.js';
chunkFilename = 'static/js/[name].chunk.js?v=[chunkhash:8]';

let library = '';
if(paths.library) {
  library = paths.library;
}

let libraryTarget = 'umd';
if(paths.libraryTarget) {
  libraryTarget = paths.libraryTarget;
}

// 多入口
function getEntry() {
  let e = [require.resolve('./polyfills'), paths.appIndexJs];
  if (paths.jsName) e = {[paths.jsName]: paths.appIndexJs};
  if (paths.jsSingleName) e[paths.jsSingleName] = paths.appSingleJs;
  return e
}
// ExtractTextPlugin expects the build output to be flat.
// (See https://github.com/webpack-contrib/extract-text-webpack-plugin/issues/27)
// However, our output is structured with css, js and media folders.
// To have this structure working with relative paths, we have to use custom options.
const extractTextPluginOptions = shouldUseRelativeAssetPaths
  ? // Making sure that the publicPath goes back to to build folder.
    { publicPath: Array(cssFilename.split('/').length).join('../') }
  : {};

// plugin for html-webpack-plugin
class HtmlPlugin {
  constructor(options) {
    this.options = options;
  }
  apply(compiler) {
    compiler.plugin('compilation', (compilation) => {
      compilation.plugin(
        'html-webpack-plugin-before-html-processing',
        (data, cb) => {
          this.options.versions.forEach(v => {
            const reg = new RegExp(`\\"${v.key}[^\\"]*\\"`);
            data.html = data.html.replace(reg, `"${v.src}"`);
          });
          if (this.options.paths.setStaticVersion) {
            data.html = data.html.replace('</head>', `<script>localStorage.setItem("staticVersion",${new Date().getTime()})</script></head>`);
          }
          // console.log('data ==================\n', data);
          cb(null, data)
        }
      );
      // compilation.plugin(
      //   'html-webpack-plugin-after-html-processing',
      //   (data, cb) => {
      //     console.log('data ==================\n', data);
      //     cb(null, data)
      //   }
      // )
    })
  }
}

// This is the production configuration.
// It compiles slowly and is focused on producing a fast and minimal bundle.
// The development configuration is different and lives in a separate file.
module.exports = {
  // Don't attempt to continue if there are any errors.
  bail: true,
  // We generate sourcemaps in production. This is slow but gives good results.
  // You can exclude the *.map files from the build during deployment.
  devtool: shouldUseSourceMap ? 'source-map' : false,
  // In production, we only want to load the polyfills and the app code.
  entry: getEntry(),
  output: {
    // The build folder.
    path: paths.appBuild,
    // Generated JS file names (with nested folders).
    // There will be one main bundle, and one file per asynchronous chunk.
    // We don't currently advertise code splitting but Webpack supports it.
    // filename: filename,
    filename: filename,
    chunkFilename: chunkFilename,
    // We inferred the "public path" (such as / or /my-project) from homepage.
    publicPath: publicPath,
    library: library,
    libraryTarget:libraryTarget,
    // Point sourcemap entries to original disk location (format as URL on Windows)
    devtoolModuleFilenameTemplate: info =>
      path
        .relative(paths.appSrc, info.absoluteResourcePath)
        .replace(/\\/g, '/'),
  },
  resolve: {
    // This allows you to set a fallback for where Webpack should look for modules.
    // We placed these paths second because we want `node_modules` to "win"
    // if there are any conflicts. This matches Node resolution mechanism.
    // https://github.com/facebookincubator/create-react-app/issues/253
    modules: ['node_modules', paths.appNodeModules].concat(
      // It is guaranteed to exist because we tweak it in `env.js`
      process.env.NODE_PATH.split(path.delimiter).filter(Boolean)
    ),
    // These are the reasonable defaults supported by the Node ecosystem.
    // We also include JSX as a common component filename extension to support
    // some tools, although we do not recommend using it, see:
    // https://github.com/facebookincubator/create-react-app/issues/290
    // `web` extension prefixes have been added for better support
    // for React Native Web.
    extensions: ['.mjs', '.web.ts','.ts', '.web.tsx', '.tsx', '.web.js', '.js', '.json', '.web.jsx', '.jsx'],
    alias: {

      // Support React Native Web
      // https://www.smashingmagazine.com/2016/08/a-glimpse-into-the-future-with-react-native-for-web/
      'react-native': 'react-native-web',
    },
    plugins: [
      // Prevents users from importing files from outside of src/ (or node_modules/).
      // This often causes confusion because we only process files within src/ with babel.
      // To fix this, we prevent you from importing files out of src/ -- if you'd like to,
      // please link the files into your node_modules/ and let module-resolution kick in.
      // Make sure your source files are compiled, as they will not be processed in any way.
      new ModuleScopePlugin(paths.appSrc, [paths.appPackageJson]),
      new TsconfigPathsPlugin({ configFile: paths.appTsConfig }),
    ],
  },
  module: {
    strictExportPresence: true,
    rules: [
      // TODO: Disable require.ensure as it's not a standard language feature.
      // We are waiting for https://github.com/facebookincubator/create-react-app/issues/2176.
      // { parser: { requireEnsure: false } },

      // First, run the linter.
      // It's important to do this before Babel processes the JS.
      // {
      //   test: /\.(js|jsx|mjs)$/,
      //   enforce: 'pre',
      //   use: [
      //     {
      //       options: {
      //         formatter: eslintFormatter,
      //         eslintPath: require.resolve('eslint'),
      //
      //       },
      //       loader: require.resolve('eslint-loader'),
      //     },
      //   ],
      //   include: paths.appSrc,
      // },
      {
        test: /\.(js|jsx|mjs)$/,
        loader: require.resolve('source-map-loader'),
        enforce: 'pre',
        include: paths.appSrc,
      },
      {
        // "oneOf" will traverse all following loaders until one will
        // match the requirements. When no loader matches it will fall
        // back to the "file" loader at the end of the loader list.
        oneOf: [
          // "url" loader works just like "file" loader but it also embeds
          // assets smaller than specified size as data URLs to avoid requests.
          {
            test: [/\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/],
            loader: require.resolve('url-loader'),
            options: {
              limit: 10000,
              name: 'static/media/[name].[hash:8].[ext]',
            },
          },
          // Process JS with Babel.
          {
            test: /\.(js|jsx|mjs)$/,
            include: paths.appSrc,
            exclude: /node_modules/,
            loader: require.resolve('babel-loader'),
            options: {
              babelrc: false,
              plugins: [
                [require.resolve('babel-plugin-transform-runtime')],
                [require.resolve('babel-plugin-transform-decorators-legacy')],
              ],
              presets: [
                require.resolve('babel-preset-es2015'),
                require.resolve('babel-preset-stage-0'),
                require.resolve('babel-preset-react'),
              ],
              // presets: [require.resolve('babel-preset-react-app')],
              compact: true,
            },
          },
          // Compile .tsx?
          {
            test: /\.(ts|tsx)$/,
            include: paths.appSrc,
            use: [
              {
                loader: require.resolve('ts-loader'),
                options: {
                  // disable type checker - we will use it in fork plugin
                  transpileOnly: true,
                  configFile: paths.appTsProdConfig
                },
              },
            ],
          },
          // The notation here is somewhat confusing.
          // "postcss" loader applies autoprefixer to our CSS.
          // "css" loader resolves paths in CSS and adds assets as dependencies.
          // "style" loader normally turns CSS into JS modules injecting <style>,
          // but unlike in development configuration, we do something different.
          // `ExtractTextPlugin` first applies the "postcss" and "css" loaders
          // (second argument), then grabs the result CSS and puts it into a
          // separate file in our build process. This way we actually ship
          // a single CSS file in production instead of JS code injecting <style>
          // tags. If you use code splitting, however, any async bundles will still
          // use the "style" loader inside the async code so CSS from them won't be
          // in the main CSS file.
          {
            test: /\.css$/,
            loader: ExtractTextPlugin.extract(
              Object.assign(
                {
                  fallback: {
                    loader: require.resolve('style-loader'),
                    options: {
                      hmr: false,
                    },
                  },
                  use: [
                    {
                      loader: require.resolve('css-loader'),
                      options: {
                        importLoaders: 1,
                        minimize: true,
                        sourceMap: shouldUseSourceMap,
                      },
                    },
                    {
                      loader: require.resolve('postcss-loader'),
                      options: {
                        // Necessary for external CSS imports to work
                        // https://github.com/facebookincubator/create-react-app/issues/2677
                        ident: 'postcss',
                        plugins: () => [
                          require('postcss-flexbugs-fixes'),
                          autoprefixer({
                            browsers: [
                              '>1%',
                              'last 4 versions',
                              'Firefox ESR',
                              'not ie < 9', // React doesn't support IE8 anyway
                            ],
                            flexbox: 'no-2009',
                          }),
                        ],
                      },
                    },
                  ],
                },
                extractTextPluginOptions
              )
            ),
            // Note: this won't work without `new ExtractTextPlugin()` in `plugins`.
          },
          {
            test: /\.less$/,
            loader: ExtractTextPlugin.extract(
              Object.assign(
                {
                  fallback: {
                    loader: require.resolve('style-loader'),
                    options: {
                      hmr: false,
                    },
                  },
                  use: [
                    {
                      loader: require.resolve('css-loader'),
                      options: {
                        importLoaders: 1,
                        minimize: true,
                        sourceMap: shouldUseSourceMap,
                      },
                    },
                    {
                      loader: require.resolve('postcss-loader'),
                      options: {
                        // Necessary for external CSS imports to work
                        // https://github.com/facebookincubator/create-react-app/issues/2677
                        ident: 'postcss',
                        plugins: () => [
                          require('postcss-flexbugs-fixes'),
                          autoprefixer({
                            browsers: [
                              '>1%',
                              'last 4 versions',
                              'Firefox ESR',
                              'not ie < 9', // React doesn't support IE8 anyway
                            ],
                            flexbox: 'no-2009',
                          }),
                        ],
                      },
                    },
                    {
                      loader: require.resolve('less-loader'),
                      options: {
                        javascriptEnabled: true,
                        modifyVars: {
                          // '@primary-color': '"#1DA57A"',
                          // '@icon-url': '"/antd/iconfont/iconfont"',
                          // '@eim-icon-url': '"/doc/font"',
                        }, //publicPath
                      },
                    },
                  ],
                },
                extractTextPluginOptions
              )
            ),
          },
          {
            test: /\.md$/,
            use: 'raw-loader'
            // use: [
            //   {
            //     loader: "html-loader"
            //   },
            //   {
            //     loader: "markdown-loader",
            //     options: {
            //       highlight: code => hljs.highlightAuto(code).value,
            //       /* your options here */
            //     }
            //   }
            // ]
          },
          // "file" loader makes sure assets end up in the `build` folder.
          // When you `import` an asset, you get its filename.
          // This loader doesn't use a "test" so it will catch all modules
          // that fall through the other loaders.
          {
            loader: require.resolve('file-loader'),
            // Exclude `js` files to keep "css" loader working as it injects
            // it's runtime that would otherwise processed through "file" loader.
            // Also exclude `html` and `json` extensions so they get processed
            // by webpacks internal loaders.
            exclude: [/\.(js|jsx|mjs)$/, /\.html$/, /\.json$/],
            options: {
              name: 'static/media/[name].[hash:8].[ext]',
            },
          },
          // ** STOP ** Are you adding a new loader?
          // Make sure to add the new loader(s) before the "file" loader.
        ],
      },
    ],
  },
  plugins: [
    // Makes some environment variables available in index.html.
    // The public URL is available as %PUBLIC_URL% in index.html, e.g.:
    // <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
    // In production, it will be an empty string unless you specify "homepage"
    // in `package.json`, in which case it will be the pathname of that URL.
    new InterpolateHtmlPlugin(env.raw),
    // Generates an `index.html` file with the <script> injected.
    paths.htmlName && paths.appHtml &&
    new HtmlWebpackPlugin({
      inject: true,
      hash: true,
      filename: paths.htmlName,
      template: paths.appHtml,
      minify: {
        // removeComments: true,
        collapseWhitespace: true,
        removeRedundantAttributes: true,
        useShortDoctype: true,
        removeEmptyAttributes: true,
        removeStyleLinkTypeAttributes: true,
        keepClosingSlash: true,
        minifyJS: true,
        minifyCSS: true,
        minifyURLs: true,
      }
    }),
    new HtmlPlugin({ paths, versions: versionsCom.concat(versions) }),
    // Makes some environment variables available to the JS code, for example:
    // if (process.env.NODE_ENV === 'production') { ... }. See `./env.js`.
    // It is absolutely essential that NODE_ENV was set to production here.
    // Otherwise React will be compiled in the very slow development mode.
    new webpack.DefinePlugin(env.stringified),
    // Minify the code.
    new webpack.optimize.UglifyJsPlugin({
      compress: {
        warnings: false,
        // Disabled because of an issue with Uglify breaking seemingly valid code:
        // https://github.com/facebookincubator/create-react-app/issues/2376
        // Pending further investigation:
        // https://github.com/mishoo/UglifyJS2/issues/2011
        comparisons: false,
        drop_debugger: true,
        drop_console: true,
      },
      mangle: {
        safari10: true,
      },
      output: {
        comments: false,
        // Turned on because emoji and regex is not minified properly using default
        // https://github.com/facebookincubator/create-react-app/issues/2488
        // ascii_only: true,
      },
      sourceMap: shouldUseSourceMap,
    }),
    // Note: this won't work without ExtractTextPlugin.extract(..) in `loaders`.
    new ExtractTextPlugin({
      filename: getpath => getpath('[name].less') === `${paths.jsSingleName}.less`
        ? paths.jsSingleName.replace('.js', '.css') : cssFilename,
    }),
    // Generate a manifest file which contains a mapping of all asset filenames
    // to their corresponding output file so that tools can pick it up without
    // having to parse `index.html`.
    // new ManifestPlugin({
    //   fileName: 'asset-manifest.json',
    // }),
    // Generate a service worker script that will precache, and keep up to date,
    // the HTML & assets that are part of the Webpack build.
    // new SWPrecacheWebpackPlugin({
    //   // By default, a cache-busting query parameter is appended to requests
    //   // used to populate the caches, to ensure the responses are fresh.
    //   // If a URL is already hashed by Webpack, then there is no concern
    //   // about it being stale, and the cache-busting can be skipped.
    //   dontCacheBustUrlsMatching: /\.\w{8}\./,
    //   filename: 'service-worker.js',
    //   logger(message) {
    //     if (message.indexOf('Total precache size is') === 0) {
    //       // This message occurs for every build and is a bit too noisy.
    //       return;
    //     }
    //     if (message.indexOf('Skipping static resource') === 0) {
    //       // This message obscures real errors so we ignore it.
    //       // https://github.com/facebookincubator/create-react-app/issues/2612
    //       return;
    //     }
    //     console.log(message);
    //   },
    //   minify: true,
    //   // For unknown URLs, fallback to the index page
    //   navigateFallback: publicUrl + '/index.html',
    //   // Ignores URLs starting from /__ (useful for Firebase):
    //   // https://github.com/facebookincubator/create-react-app/issues/2237#issuecomment-302693219
    //   navigateFallbackWhitelist: [/^(?!\/__).*/],
    //   // Don't precache sourcemaps (they're large) and build asset manifest:
    //   staticFileGlobsIgnorePatterns: [/\.map$/, /asset-manifest\.json$/],
    // }),
    // Moment.js is an extremely popular library that bundles large locale files
    // by default due to how Webpack interprets its code. This is a practical
    // solution that requires the user to opt into importing specific locales.
    // https://github.com/jmblog/how-to-optimize-momentjs-with-webpack
    // You can remove this if you don't use Moment.js:
    new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
    new ForkTsCheckerWebpackPlugin({
      async: false,
      tsconfig: paths.appTsProdConfig,
      tslint: paths.appTsLint,
    }),
  ].concat(argv.analyzer === 'true' ? [new BundleAnalyzerPlugin()] : []).filter(Boolean),
  // Some libraries import Node modules but don't use them in the browser.
  // Tell Webpack to provide empty mocks for them so importing them works.
  node: {
    dgram: 'empty',
    fs: 'empty',
    net: 'empty',
    tls: 'empty',
    child_process: 'empty',
  },
  externals: [
    // 公共
    { '$': '$'},
    { 'jquery': 'jQuery' },
    { 'react': 'React' },
    { 'react-dom': 'ReactDOM' },
    { 'History' : 'History' },
    { 'mobx' : 'mobx' },
    { 'antd': 'antd' },
    { 'ecCom': 'ecCom' },
    { 'ecComSmall': 'ecComSmall' },
    { 'comsMobx' : 'comsMobx' },
    // 前台
    { 'weaBlog' : 'weaBlog' },
    { 'weaCowork' : 'weaCowork' },
    { 'weaCpt': 'weaCpt' },
    { 'weaCrm': 'weaCrm' },
    { 'weaCrmReport': 'weaCrmReport' },
    { 'weaCrmPortal': 'weaCrmPortal' },
    { 'weaCube': 'weaCube' },
    { 'WeaCowork': 'WeaCowork' },
    { 'weaDoc' : 'weaDoc' },
    { 'weaDocDetail' : 'weaDocDetail' },
    { 'weaDemo': 'weaDemo' },
    { 'weaDoc' : 'weaDoc' },
    { 'weaEmail': 'weaEmail' },
    { 'weaESearch': 'weaESearch' },
    { 'weaFna' : 'weaFna' },
    { 'weaFnaSpecial': 'weaFnaSpecial' },
    { 'weaHrm' : 'weaHrm' },
    { 'weaHrmAttendance' : 'weaHrmAttendance' },
    { 'weaHrmSignPlguin' : 'weaHrmSignPlguin' },
    { 'weaInte' : 'weaInte' },
    { 'weaMeeting' : 'weaMeeting' },
    { 'weaOdoc': 'weaOdoc' },
    { 'weaOdocExchange': 'weaOdocExchange' },
    { 'weaPortal': 'weaPortal' },
    { 'weaPortalPublic': 'weaPortalPublic' },
    { 'weaPortalLogin': 'weaPortalLogin' },
    { 'weaPortalTheme': 'weaPortalTheme' },
    { 'weaPortalLayout': 'weaPortalLayout' },
    { 'weaPortalCom': 'weaPortalCom' },
    { 'weaPortalDemoLogin': 'weaPortalDemoLogin' },
    { 'weaPortalDemoTheme': 'weaPortalDemoTheme' },
    { 'weaPortalDemoElement': 'weaPortalDemoElement' },
    { 'weaPortalEM': 'weaPortalEM' },
    { 'weaPrj': 'weaPrj' },
    { 'weaSmallApp': 'weaSmallApp' },
    { 'weaWorkflow': 'weaWorkflow' },
    { 'weaWorkflowPublic': 'weaWorkflowPublic' },
    { 'weaWorkflowForm': 'weaWorkflowForm' },
    { 'weaCustomSetting': 'weaCustomSetting' },
    { 'weaWorkplan' : 'weaWorkplan' },
    { 'weaWorkrelate': 'weaWorkrelate' },
    { 'weaGovern': 'weaGovern' },
    { 'weaInfo': 'weaInfo' },
    { 'weaTodo': 'weaTodo' },
    // 后台
    { 'weaCptEngine': 'weaCptEngine' },
    { 'weaCrmEngine': 'weaCrmEngine' },
    { 'weaCubeEngine': 'weaCubeEngine' },
    { 'WeaCoworkEngine': 'WeaCoworkEngine' },
    { 'weaDocEngine': 'weaDocEngine' },
    { 'weaEmailEngine': 'weaEmailEngine' },
    { 'weaESBEngine': 'weaESBEngine' },
    { 'weaFnaEngine': 'weaFnaEngine' },
    { 'weaFnaMulitEngine': 'weaFnaMulitEngine' },
    { 'weaFormmodeEngine': 'weaFormmodeEngine' },
    { 'weaHrmEngine': 'weaHrmEngine' },
    { 'weaHrmAttendanceEngine': 'weaHrmAttendanceEngine' },
    { 'weaHrmComsPublic': 'weaHrmComsPublic' },
    { 'weaHrmEnginePublic': 'weaHrmEnginePublic' },
    { 'weaIntegrationEngine': 'weaIntegrationEngine'},
    { 'weaIntegrationElement': 'weaIntegrationElement'},
    { 'weaMeetingEngine': 'weaMeetingEngine' },
    { 'weaCoworkEngine': 'weaCoworkEngine' },
    { 'weaBlogEngine': 'weaBlogEngine' },
    { 'weaMobilemodeEngine': 'weaMobilemodeEngine' },
    { 'weaSmallAppEngine': 'weaSmallAppEngine' },
    { 'weaPortalEngine' : 'weaPortalEngine' },
    { 'weaPortalEngineTheme' : 'weaPortalEngineTheme' },
    { 'weaWorkflowEngine': 'weaWorkflowEngine' },
    { 'weaWorkplanEngine': 'weaWorkplanEngine' },
    { 'weaOdocEngine': 'weaOdocEngine' },
    { 'weaSecurityEngine': 'weaSecurityEngine' },
    { 'weaCustomizationDevEngine':'weaCustomizationDevEngine'},
    { 'weaGovernEngine': 'weaGovernEngine' },
    { 'weaInfoEngine': 'weaInfoEngine' },
    { 'weaSapIntegration':'weaSapIntegration'},
    { 'weaSapIntegrationPublic':'weaSapIntegrationPublic'},
    { 'e9contract': 'e9contract'},
    // 非标
    // 非标
    { 'weansDemo001': 'weansDemo001' },
    { 'weansDemo01': 'weansDemo01' },
    { 'weansDemo02': 'weansDemo02' },
    { 'weansDemo03': 'weansDemo03' },
    { 'weansDemo04': 'weansDemo04' },
    { 'weansDemo05': 'weansDemo05' },
    { 'weansDemo06': 'weansDemo06' },
    { 'weansDemo07': 'weansDemo07' },
    { 'weansDemo08': 'weansDemo08' },
  ]
};
